Improved adjustable window-screen



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Letters Patent No. 96,7 54, dated November 9, 1869.

IMPRovED ADJUSTABLE wmnowfscnnnw.

The 4Schedule rexerred to in these Letters Patent and making part ofthe-same.

` To all whom, 'it may concern:

Beit known that I, BENJAMLN J. WILLIAMS, ofl

the city and `county of Philadelphia, and State of Iennsylvania, haveinvented a new and improved AdjustableWindow-Screen; and I do hereby.declare that the following is a full, c1ear, and exact descrip# tion ofthe construction and operation of the same, reference being had to theaccompanying drawings, making a part o f this specification, in which-Figure 1 is tn-inside view of screen, when adjusted and fastened tolwindow. A

Figure 2 is an outside view of screen.

Figure 3 is a view, in detail, of grooved strip.

Figure 4 is an edge view of screen.

Like letters, in the figures of the drawings, indicate like parts.

My invention, A, relates to the class of adjustable window-screens, forexcluding mosquitoes and other insects from houses; and consists of acentre or stationary screen, with supplemental screens, movable inguides, andadjustable i'om each side thereof, and having the outerside-bars of the frames provided with tongued edges to it groovedstrips, the latter to be screwed on to the beads of the window-jambs,thus enabling the Screen vto be adjusted and fastened at' either top orbottom :of window, with greater convenience than can be by pins orotherwise.

I construct and operate my'invention as follows:

'A is the stationary screen.

RB, supplemental screens, which move in guides a a, at top and bottoniof stationary screen, and having the outer side-bars of the framesprovided with tougned edges, b b.`

O O are the grooved strips, to bescrewed on to the beads of thewindow-jambs. These str ips will extend up tothe meeting-rails ofthesash, or up to the top of two witnesses,

of the window-frame, so that the screen may be se cured at either -topor bottom of window, as may be desired. Y

The stationary .screen is provided with set-screws, c c c c, to fastenthe supplemental screens, when adjusted with their tongues, to t -thegrooved strips, and has a movable bar, D, with tongued ends, to tand'move in grooves of the top and bottom bars of the frame, forpreventing the screen from being pressed in by the wind or otherwise, so'as to exclude any .possibility of insects from gettingin the window atthis point, by bringing the movable bars-opposite those ot' thesupplemental screens. LA

As the setserews c and movable bars D are shown and claimed in thepatent of D. H. Hurlburt, J une 1,

1869, No. 90,845, of course Ido not appropriate them as parl: of myinvention, but describe them simply to show their connection with it;

I do 'not claim, broadly, an adjustable windowscreen, as I am aware ofthe same being shown in the patents of Abner Magoun, February 20, 1866,No. 52,726, and I). H. Hurlburt, June l, 1869, No. 90,845; but

What I do claim, and desire to secure by Letters Patent, 'is- Thestationary screen A, with supplemental screens B B, having the outerside-bars of the frames thereof provided with tongued edges b, incombination with grooved strips C, substantially as set forth.

As evidence that I claim the foregoing as my invention, I have hereuntoset my hand, in the presence BENJN. J.WILLIAMS. Witnesses:

J As. J. OROMWELL,

THOMAS D.- SNYDER.

